20091082

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1446

約数の個数: 24

約数和(自身を含む): 33693156

約数和(自身を除く): 13602074

約数列:

[1, 2, 11, 22, 61, 121, 122, 242, 671, 1342, 1361, 2722, 7381, 14762, 14971, 29942, 83021, 164681, 166042, 329362, 913231, 1826462, 10045541, 20091082]

約数ペア:

[(1, 20091082), (2, 10045541), (11, 1826462), (22, 913231), (61, 329362), (121, 166042), (122, 164681), (242, 83021), (671, 29942), (1342, 14971), (1361, 14762), (2722, 7381)]